| | PF | Waived (The Washington Wizards waived F Isaiah Livers.) |
| | SG | Signed/Offer Sheet (The Washington Wizards signed G Jared Butler to a three-year deal.) |
| | C | Signed/Offer Sheet (The Washington Wizards signed C Tristan Vukcevic.) |
| | SF | Signed/Offer Sheet (The Washington Wizards signed G-F Justin Champagnie to a two-way contract.) |
| | PG | Signed to 10-Day Contract (The Washington Wizards signed G RJ Hampton to a 10-Day Contract.) |
| | SF | Signed/Offer Sheet (The Washington Wizards signed F Eugene Omoruyi to a standard contract.) |
| | SF | Signed to 10-Day Contract (The Washington Wizards signed F Justin Champagnie to a 10-Day Contract.) |
| | PG | Waived (The Washington Wizards waived G Delon Wright.) |
| | PF | Traded (The Washinton Wizards traded F-C Daniel Gafford to the Dallas Mavericks.) To |
| | PF | Traded (The Dallas Mavericks traded F Richaun Holmes to the Washington Wizards.) From |
| | C | Waived (The Washington Wizards waived C Trey Jemison.) |
| | C | Signed to 10-Day Contract (The Washington Wizards signed C Trey Jemison to a 10-day contract.) |
| | SG | Waived (The Washington Wizards waived G Hamidou Diallo.) |
| | PF | Traded (The Detroit Pistons traded F-C Marvin Bagley III to the Washington Wizards.) From |
| | C | Traded (The Washington Wizards traded F-C Mike Muscala to the Detroit Pistons.) To |
| | PF | Traded (The Detroit Pistons traded F Isaiah Livers to the Washington Wizards.) From |
| | SF | Traded (The Washington Wizards traded F Danilo Gallinari to the Detroit Pistons.) To |
| | PG | Waived (The Washington Wizards waived G Ryan Rollins.) |
| | SG | Signed to 10-Day Contract (The Washington Wizards signed G Hamidou Diallo to a 10-Day Contract.) |
| | C | Waived (The Washington Wizards waived C John Butler Jr.) |
| | SG | Signed/Offer Sheet (The Washington Wizards signed G Jules Bernard to a two-way contract.) |
| | C | Waived (The Washington Wizards waived C Tristan Vukcevic. ) |
| | PF | Waived (The Washington Wizards waived F Xavier Cooks) |
| | C | Other Transaction (The Washington Wizards converted F John Butler Jr. to a two-way contract. ) |
| | PF | Waived (The Washington Wizards waived F Taj Gibson. ) |
| | C | Signed/Offer Sheet (The Washington Wizards signed F John Butler Jr.) |
| | G | Waived (The Washington Wizards waived G Gabe Kalscheur. ) |
| | SG | Waived (The Washington Wizards waived G Hamidou Diallo. ) |
| | PF | Waived (The Washington Wizards waived F Michael Foster Jr. ) |
| | PF | Signed/Offer Sheet (The Washington Wizards signed F Malik Fitts. ) |
| | G | Signed/Offer Sheet (The Washington Wizards signed G Gabe Kalscheur. ) |
| | PG | Waived (The Washington Wizards waived G Devon Dotson. ) |
| | PF | Waived (The Washington Wizards waived F Malik Fitts.) |
| | SG | Signed/Offer Sheet (The Washington Wizards signed G Hamidou Diallo. ) |
| | PG | Signed/Offer Sheet (The Washington Wizards signed G Devon Dotson.) |
| | SG | Waived (The Washington Wizards waived G Chase Audige.) |
| | PF | Signed/Offer Sheet (The Washington Wizards signed F Michael Foster Jr.) |
| | SG | Signed/Offer Sheet (The Washington Wizards signed G Chase Audige.) |
| | PG | Waived (The Washington Wizards waived G Quenton Jackson.) |
| | SG | Signed/Offer Sheet (The Washington Wizards signed G Jared Butler to a two-way contract. ) |
| | SF | Signed/Offer Sheet (The Washington Wizards signed F Eugene Omoruyi.) |
| | C | Declared Free Agency (F-C Jay Huff declared free agency.) |
| | PG | Traded (The Washington Wizards traded Monte Morris to the Detroit Pistons.) To |
| | PG | Declared Free Agency (G Kendrick Nunn declared free agency.) |
| | PG | Declared Free Agency (G Kendrick Nunn declared free agency.) |
| | PF | Declared Free Agency (F Taj Gibson declared free agency.) |
| | C | Declared Free Agency (F-C Jay Huff declared free agency.) |
| | PG | Re-Signed (The Washington Wizards re-signed G Kendrick Nunn.) |
| | SG | Traded (The Golden State Warriors traded G Jordan Poole to the Washington Wizards.) From |
| | PG | Traded (The Golden State Warriors traded G Ryan Rollins to the Washington Wizards.) From |
| | PF | Re-Signed (The Washington Wizards re-signed F Taj Gibson) |
| | PG | Traded (The Washington Wizards traded G Chris Paul to the Golden State Warriors.) To |
| | PG | Traded (The Memphis Grizzlies traded G Tyus Jones to the Washington Wizards.) From |
| | C | Traded (The Boston Celtics traded F-C Mike Muscala to the Washington Wizards.) From |
| | SF | Traded (The Boston Celtics traded F Danilo Gallinari to the Washington Wizards.) From |
| | PF | Traded (The Washington Wizards traded F-C Kristaps Porzingis to the Boston Celtics.) To |
| | SF | Traded (The Golden State Warriors traded F Patrick Baldwin Jr. to the Washington Wizards.) From |
| | PF | Traded (The Washington Wizards traded F Isaiah Todd to the Phoenix Suns.) To |
| | PG | Traded (The Washington Wizards traded G Jordan Goodwin to the Phoenix Suns.) To |
| | SG | Traded (The Washington Wizards traded G Bradley Beal to the Phoenix Suns.) To |
| | PG | Traded (The Phoenix Suns traded G Chris Paul to the Washington Wizards.) From |
| | SG | Traded (The Phoenix Suns traded G Landry Shamet to the Washington Wizards.) From |